164293 has 4 divisors (see below), whose sum is σ = 172960. Its totient is φ = 155628.

The previous prime is 164291. The next prime is 164299. The reversal of 164293 is 392461.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 392461 = 43 ⋅9127.

It is a cyclic number.

It is not a de Polignac number, because 164293 - 2¹ = 164291 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4305 + ... + 4342.

It is an arithmetic number, because the mean of its divisors is an integer number (43240).

2¹⁶⁴²⁹³ is an apocalyptic number.

It is an amenable number.

164293 is a deficient number, since it is larger than the sum of its proper divisors (8667).

164293 is an equidigital number, since it uses as much as digits as its factorization.

164293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8666.

The product of its digits is 1296, while the sum is 25.

The square root of 164293 is about 405.3307291583. The cubic root of 164293 is about 54.7696148175.

The spelling of 164293 in words is "one hundred sixty-four thousand, two hundred ninety-three".